[INFO] updating cached repository ocstl/advent_of_code_2015
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ocstl/advent_of_code_2015
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ocstl/advent_of_code_2015" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/ocstl/advent_of_code_2015"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/ocstl/advent_of_code_2015'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ocstl/advent_of_code_2015" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/ocstl/advent_of_code_2015"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/ocstl/advent_of_code_2015'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7a551c941b47e68b6c7d7c79e0bed80e69be669a
[INFO] sha for GitHub repo ocstl/advent_of_code_2015: 7a551c941b47e68b6c7d7c79e0bed80e69be669a
[INFO] validating manifest of ocstl/advent_of_code_2015 on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ocstl/advent_of_code_2015 on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ocstl/advent_of_code_2015
[INFO] finished frobbing ocstl/advent_of_code_2015
[INFO] frobbed toml for ocstl/advent_of_code_2015 written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/ocstl/advent_of_code_2015/Cargo.toml
[INFO] started frobbing ocstl/advent_of_code_2015
[INFO] finished frobbing ocstl/advent_of_code_2015
[INFO] frobbed toml for ocstl/advent_of_code_2015 written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/ocstl/advent_of_code_2015/Cargo.toml
[INFO] crate ocstl/advent_of_code_2015 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ocstl/advent_of_code_2015 against try#78b0bd8441ef961f6475e3d47fe3bca38cb83432 for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-1/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/ocstl/advent_of_code_2015:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 914244a1f5b2ddc66d6e3ab9e2fafd0644b50c4884fa02d9d50f08e4137b6e35
[INFO] running `"docker" "start" "-a" "914244a1f5b2ddc66d6e3ab9e2fafd0644b50c4884fa02d9d50f08e4137b6e35"`
[INFO] [stderr]     Checking advent_of_code_2015 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `reduce`
[INFO] [stderr]   --> src/bin/day19.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn reduce(&self, molecule: &[Option<Element>]) -> Vec<Vec<Option<Element>>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]  --> src/bin/day13.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     use super::*;
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]  --> src/bin/day14.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     use super::*;
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]  --> src/bin/day15.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     use super::*;
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reduce`
[INFO] [stderr]   --> src/bin/day19.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn reduce(&self, molecule: &[Option<Element>]) -> Vec<Vec<Option<Element>>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]  --> src/bin/day12.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     use super::*;
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.56s
[INFO] running `"docker" "inspect" "914244a1f5b2ddc66d6e3ab9e2fafd0644b50c4884fa02d9d50f08e4137b6e35"`
[INFO] running `"docker" "rm" "-f" "914244a1f5b2ddc66d6e3ab9e2fafd0644b50c4884fa02d9d50f08e4137b6e35"`
[INFO] [stdout] 914244a1f5b2ddc66d6e3ab9e2fafd0644b50c4884fa02d9d50f08e4137b6e35